header {
    font: 33px "Open Sans";
    margin: 10px;
    padding: 15px 0px;
    letter-spacing: 2px;
    border-bottom: 2px solid #a5aab2;
}
.u-i {
    display: flex;
    border-radius: 10px;
    text-align: center;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    width: 600px;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
    margin-left: 26%;
}
#xg{
    border: 1px solid #c04747;
    background-color: #c04747;
    color: #ffffff;
    font-size: 13px;
    font-weight: bold;
    padding: 7px 50px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: transform 80ms ease-in;
}

#xg > button:active {
    transform: scale(0.95);
}

#xg:focus {
    outline: none;
}

#xg.ghost {
    background-color: transparent;
    border-color: #ffffff;
}

input {
    border: none;
    padding: 12px 10px;
    margin: 5px 5px;
    min-width: 220px;
    max-width: 240px;
    background-color: white;
    text-align: center;
}

input.change::-webkit-input-placeholder {
    color: red;
}
